1366 - Incorrect integer value: '' for column `mapshopatlogis`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', '9511235ab4e19fc91cea287f802ef3f2', '3.145.131.28', '1713501404', '1713501404', '/product_info.php/language/en/info/p10_3D-Druck.html')

[XT SQL Error]